TLS Online TPP Program

#Question id: 4764


Which of the following is the best example of overdominance?

#8. Inheritance Biology
  1. Two lines of true breeding white parents produce purple flowered offspring.

  2. Two lines of true breeding tomatoes that are susceptible to verticillium wilt (a fungal infection) produce offspring thatare resistant to verticillium wilt.

  3. Two true breeding lines, one tall and one short, produce offspring of medium height.

  4. Two true breeding lines, one tall and one short, produce all tall offspring.